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September Weather in North Bend, United States

Last updated: June 24, 2025

In North Bend, United States, the average temperature in September is a pleasant 21°C (69°F). Residents and visitors can expect a range from a cool 5°C (41°F) to a warm 36°C (98°F). The month typically witnesses 73 mm (2.9 in) of precipitation over 8 days, contributing to an average humidity of 75%.

September Temperature in North Bend

In September in North Bend, the average temperature is 21°C (69°F). Maximum temperatures can reach 36°C (98°F), while the minimum can dip to as low as 5°C (41°F). This diverse temperature range makes North Bend an ideal destination for travelers seeking both warm and cooler experiences.

September Weather in North Bend: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Bend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Bend, September typically has an average temperature of 21°C (69°F), with highs reaching up to 36°C (98°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec252540506276787469524031
Data source: Temperature data for North Bend generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in North Bend

In North Bend in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

September Precipitation Trends in North Bend

The chart displays monthly precipitation patterns in North Bend, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In North Bend, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec302692541451106710773952943
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in North Bend

In North Bend in September, humidity is 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

September Average Humidity in North Bend

This chart illustrates the average monthly humidity levels in North Bend, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in North Bend is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in North Bend

In North Bend in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in North Bend.

Maximum UV Index Levels in North Bend for September

The chart shows the monthly maximum UV Index (UVI) for North Bend in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in North Bend typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: North Bend September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in North Bend Compares to Other Months

Weather in North Bend varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in North Bend, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in North Bend, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)30 mm (1.2 inches)76%moderate
February Weather-4°C (25°F)26 mm (1.0 inches)80%moderate
March Weather5°C (41°F)92 mm (3.6 inches)73%high
April Weather10°C (50°F)53 mm (2.1 inches)74%very high
May Weather17°C (62°F)145 mm (5.7 inches)78%very high
June Weather24°C (76°F)110 mm (4.3 inches)82%very high
July Weather25°C (78°F)67 mm (2.6 inches)83%very high
August Weather23°C (74°F)107 mm (4.2 inches)80%very high
September Weather21°C (69°F)73 mm (2.9 inches)75%very high
October Weather11°C (52°F)95 mm (3.7 inches)75%high
November Weather4°C (40°F)29 mm (1.1 inches)82%moderate
December Weather-1°C (31°F)43 mm (1.7 inches)83%low

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